1. Feldman, D., Krishnan, A. V., Swami, S., et al. (2014). The role of vitamin D in reducing cancer risk and progression. Nature Reviews Cancer, 14(5), 342-357.
2. Jeffery, L. E., Burke, F., Mura, M., et al. (2009). 1,25-Dihydroxyvitamin D3 and IL-2 combine to inhibit T cell production of inflammatory cytokines. Journal of Immunology, 183(9), 5458-5467.
3. Krishnan, A. V., Swami, S., Feldman, D. (2010). Vitamin D and cancer: Mechanisms and clinical implications. Current Opinion in Oncology, 22(5), 482-491.
4. Aranow, C. (2011). Vitamin D and the immune system. Journal of Investigative Medicine, 59(6), 881-886.
5. Chel, V. G., Wijnhoven, H. A., Smit, J. H., et al. (2008). Efficacy of different doses and routes of administration of vitamin D supplementation. Age and Ageing, 37(5), 574-579.